./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e5c7c8f34d0399e1ec13072e237ea7df9536407415bc8e3ff2e61c34b30de96 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:07:32,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:07:32,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:07:33,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:07:33,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:07:33,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:07:33,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:07:33,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:07:33,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:07:33,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:07:33,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:07:33,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:07:33,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:07:33,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:07:33,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:07:33,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:07:33,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:07:33,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:07:33,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:07:33,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:07:33,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:07:33,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:07:33,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:07:33,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:07:33,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:07:33,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:07:33,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:07:33,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:07:33,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:07:33,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:07:33,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:07:33,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:07:33,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:07:33,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:07:33,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:07:33,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:07:33,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:07:33,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:07:33,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:07:33,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:07:33,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:07:33,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:07:33,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:07:33,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:07:33,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:07:33,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:07:33,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:07:33,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:07:33,091 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:07:33,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:07:33,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:07:33,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:07:33,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:07:33,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:07:33,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:07:33,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:07:33,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:07:33,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:07:33,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:07:33,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:07:33,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:07:33,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:07:33,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:07:33,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:07:33,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:07:33,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:07:33,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:07:33,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:07:33,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:07:33,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:07:33,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:07:33,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:07:33,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:07:33,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:07:33,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e5c7c8f34d0399e1ec13072e237ea7df9536407415bc8e3ff2e61c34b30de96 [2021-10-21 20:07:33,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:07:33,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:07:33,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:07:33,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:07:33,384 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:07:33,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2021-10-21 20:07:33,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/data/c27ddf2c5/d224512048cf488999af4a121a801fa3/FLAG92fc2b844 [2021-10-21 20:07:33,937 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:07:33,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2021-10-21 20:07:33,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/data/c27ddf2c5/d224512048cf488999af4a121a801fa3/FLAG92fc2b844 [2021-10-21 20:07:34,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/data/c27ddf2c5/d224512048cf488999af4a121a801fa3 [2021-10-21 20:07:34,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:07:34,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:07:34,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:34,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:07:34,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:07:34,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af9d607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34, skipping insertion in model container [2021-10-21 20:07:34,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:07:34,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:07:34,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2021-10-21 20:07:34,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:34,630 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:07:34,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2021-10-21 20:07:34,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:34,712 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:07:34,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34 WrapperNode [2021-10-21 20:07:34,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:34,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:34,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:07:34,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:07:34,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:34,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:07:34,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:07:34,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:07:34,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:07:34,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:07:34,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:07:34,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:07:34,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (1/1) ... [2021-10-21 20:07:34,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:07:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:34,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:34,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:07:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:07:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-21 20:07:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:07:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:07:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:07:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:07:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:07:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:07:35,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:07:35,795 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 20:07:35,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:35 BoogieIcfgContainer [2021-10-21 20:07:35,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:07:35,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:07:35,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:07:35,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:07:35,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:07:34" (1/3) ... [2021-10-21 20:07:35,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3705d2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:35, skipping insertion in model container [2021-10-21 20:07:35,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:34" (2/3) ... [2021-10-21 20:07:35,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3705d2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:07:35, skipping insertion in model container [2021-10-21 20:07:35,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:35" (3/3) ... [2021-10-21 20:07:35,805 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2021-10-21 20:07:35,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:07:35,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:07:35,855 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:07:35,862 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:07:35,862 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:07:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-21 20:07:35,879 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:35,880 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:35,881 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:35,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:35,886 INFO L82 PathProgramCache]: Analyzing trace with hash 176653045, now seen corresponding path program 1 times [2021-10-21 20:07:35,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:35,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311251569] [2021-10-21 20:07:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:35,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:36,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:36,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311251569] [2021-10-21 20:07:36,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311251569] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:36,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:36,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:07:36,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15991925] [2021-10-21 20:07:36,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:07:36,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:36,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:07:36,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:36,284 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:36,381 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-10-21 20:07:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:07:36,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-21 20:07:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:36,401 INFO L225 Difference]: With dead ends: 32 [2021-10-21 20:07:36,402 INFO L226 Difference]: Without dead ends: 17 [2021-10-21 20:07:36,406 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-21 20:07:36,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2021-10-21 20:07:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-10-21 20:07:36,443 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2021-10-21 20:07:36,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:36,445 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-10-21 20:07:36,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-10-21 20:07:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-21 20:07:36,450 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:36,451 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:36,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:07:36,451 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:36,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash -314667186, now seen corresponding path program 1 times [2021-10-21 20:07:36,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:36,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440624952] [2021-10-21 20:07:36,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:36,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:36,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:36,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440624952] [2021-10-21 20:07:36,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440624952] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:36,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558241127] [2021-10-21 20:07:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:36,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:36,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:36,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:07:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:36,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:07:36,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:37,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558241127] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:37,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:37,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 20:07:37,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889021771] [2021-10-21 20:07:37,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:07:37,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:07:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:37,072 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:37,189 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-10-21 20:07:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:07:37,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-21 20:07:37,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:37,193 INFO L225 Difference]: With dead ends: 25 [2021-10-21 20:07:37,193 INFO L226 Difference]: Without dead ends: 22 [2021-10-21 20:07:37,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 67.1ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:07:37,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-21 20:07:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-10-21 20:07:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-21 20:07:37,202 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2021-10-21 20:07:37,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:37,204 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-21 20:07:37,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-21 20:07:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:07:37,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:37,209 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:37,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:37,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:37,436 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:37,437 INFO L82 PathProgramCache]: Analyzing trace with hash 921588373, now seen corresponding path program 2 times [2021-10-21 20:07:37,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:37,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288067148] [2021-10-21 20:07:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:37,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:37,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:37,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288067148] [2021-10-21 20:07:37,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288067148] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:37,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819741009] [2021-10-21 20:07:37,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:07:37,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:37,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:37,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:07:37,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:07:37,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:07:37,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:07:37,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:37,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819741009] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:37,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:37,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 20:07:37,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612376309] [2021-10-21 20:07:37,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:07:37,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:37,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:07:37,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:37,956 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:38,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:38,104 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-10-21 20:07:38,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:07:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-21 20:07:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:38,107 INFO L225 Difference]: With dead ends: 30 [2021-10-21 20:07:38,107 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 20:07:38,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 73.4ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:07:38,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 20:07:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2021-10-21 20:07:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-10-21 20:07:38,114 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 18 [2021-10-21 20:07:38,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:38,115 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-10-21 20:07:38,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-10-21 20:07:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 20:07:38,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:38,117 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:38,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:38,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:38,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:38,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:38,318 INFO L82 PathProgramCache]: Analyzing trace with hash -590838866, now seen corresponding path program 3 times [2021-10-21 20:07:38,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:38,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072077024] [2021-10-21 20:07:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:38,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:38,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:38,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072077024] [2021-10-21 20:07:38,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072077024] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:38,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162469673] [2021-10-21 20:07:38,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:07:38,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:38,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:38,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:38,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:07:39,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-21 20:07:39,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:07:39,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-21 20:07:39,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:40,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 20:07:40,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 89 treesize of output 169 [2021-10-21 20:07:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-21 20:07:43,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162469673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:43,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:43,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-10-21 20:07:43,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039074136] [2021-10-21 20:07:43,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-21 20:07:43,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:43,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-21 20:07:43,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-21 20:07:43,270 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:45,083 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-21 20:07:45,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 20:07:45,084 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-21 20:07:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:45,085 INFO L225 Difference]: With dead ends: 35 [2021-10-21 20:07:45,085 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:07:45,087 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1849.3ms TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2021-10-21 20:07:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:07:45,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:07:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:07:45,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-21 20:07:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:45,088 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:07:45,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:07:45,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:07:45,091 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:07:45,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:45,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:45,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:07:45,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:45,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:45,732 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 236) no Hoare annotation was computed. [2021-10-21 20:07:45,732 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:07:45,732 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 208) no Hoare annotation was computed. [2021-10-21 20:07:45,732 INFO L857 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2021-10-21 20:07:45,732 INFO L857 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 229) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 234) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 207) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:07:45,733 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 221) no Hoare annotation was computed. [2021-10-21 20:07:45,734 INFO L853 garLoopResultBuilder]: At program point L202(lines 167 235) the Hoare annotation is: (let ((.cse15 (select |#memory_int| |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.base|))) (let ((.cse2 (= (select .cse15 (+ 408 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)) 24650)) (.cse3 (<= (select .cse15 (+ 456 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)) 24644)) (.cse4 (= 24647 (select .cse15 (+ 156 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)))) (.cse5 (= (select .cse15 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 420)) 24655)) (.cse6 (<= (select .cse15 (+ 468 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)) 24645)) (.cse7 (<= 24658 (select .cse15 (+ 480 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)))) (.cse8 (= (select .cse15 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 396)) 24650)) (.cse9 (= (select .cse15 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)) 0)) (.cse10 (= |ULTIMATE.start_main_~#main__Id_MCDC_119~0.offset| 0)) (.cse11 (<= 24657 (select .cse15 (+ 444 |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset|)))) (.cse12 (<= 24656 (select .cse15 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 432)))) (.cse13 (= |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse14 (<= (select .cse15 (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 384)) 24649))) (or (let ((.cse0 (mod (+ 4294967295 ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0) 4294967296)) (.cse1 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296))) (and (not (= (* 12 .cse0) 492)) (not (= (* 12 .cse1) 492)) .cse2 .cse3 (< .cse0 42) .cse4 (< .cse1 42) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14)) (and (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (<= ~Id_MCDC_93~0 1) .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0 1) (<= 1 ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0) .cse11 .cse12 .cse13 .cse14) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~Id_MCDC_93~0 0) .cse12 .cse13 (= ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0 0) .cse14)))) [2021-10-21 20:07:45,734 INFO L860 garLoopResultBuilder]: At program point L233(lines 133 237) the Hoare annotation is: true [2021-10-21 20:07:45,738 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:07:45,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:07:45 BoogieIcfgContainer [2021-10-21 20:07:45,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:07:45,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:07:45,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:07:45,766 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:07:45,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:35" (3/4) ... [2021-10-21 20:07:45,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:07:45,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-21 20:07:45,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 20:07:45,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-21 20:07:45,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:07:45,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:07:46,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:07:46,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:07:46,002 INFO L168 Benchmark]: Toolchain (without parser) took 11693.81 ms. Allocated memory was 100.7 MB in the beginning and 209.7 MB in the end (delta: 109.1 MB). Free memory was 59.3 MB in the beginning and 108.0 MB in the end (delta: -48.7 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,002 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:07:46,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.39 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 69.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 100.7 MB. Free memory was 69.4 MB in the beginning and 66.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,003 INFO L168 Benchmark]: Boogie Preprocessor took 101.71 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 63.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,003 INFO L168 Benchmark]: RCFGBuilder took 905.93 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 63.1 MB in the beginning and 75.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,004 INFO L168 Benchmark]: TraceAbstraction took 9966.55 ms. Allocated memory was 134.2 MB in the beginning and 209.7 MB in the end (delta: 75.5 MB). Free memory was 75.2 MB in the beginning and 172.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 93.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,004 INFO L168 Benchmark]: Witness Printer took 234.96 ms. Allocated memory is still 209.7 MB. Free memory was 172.3 MB in the beginning and 108.0 MB in the end (delta: 64.3 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:46,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.39 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 69.4 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 100.7 MB. Free memory was 69.4 MB in the beginning and 66.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.71 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 63.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 905.93 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 63.1 MB in the beginning and 75.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9966.55 ms. Allocated memory was 134.2 MB in the beginning and 209.7 MB in the end (delta: 75.5 MB). Free memory was 75.2 MB in the beginning and 172.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 93.3 MB. Max. memory is 16.1 GB. * Witness Printer took 234.96 ms. Allocated memory is still 209.7 MB. Free memory was 172.3 MB in the beginning and 108.0 MB in the end (delta: 64.3 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 221]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9884.5ms, OverallIterations: 4, TraceHistogramMax: 4, EmptinessCheckTime: 18.8ms, AutomataDifference: 2241.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 423.5ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40 SDtfs, 124 SDslu, 85 SDs, 0 SdLazy, 189 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 402.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2009.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=3, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 36.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 10 NumberOfFragments, 376 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 54.4ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 550 FormulaSimplificationTreeSizeReductionInter, 349.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 124.0ms SsaConstructionTime, 1385.7ms SatisfiabilityAnalysisTime, 4635.9ms InterpolantComputationTime, 116 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 2031 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1217 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 13/76 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((((((!(12 * ((4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296) == 492) && !(12 * ((Id_MCDC_93 + 4294967295) % 4294967296) == 492)) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][408 + Id_MCDC_89__Id_MCDC_95] == 24650) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][456 + Id_MCDC_89__Id_MCDC_95] <= 24644) && (4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296 < 42) && 24647 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][156 + Id_MCDC_89__Id_MCDC_95]) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 420] == 24655) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][468 + Id_MCDC_89__Id_MCDC_95] <= 24645) && 24658 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][480 + Id_MCDC_89__Id_MCDC_95]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 396] == 24650) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && main__Id_MCDC_119 == 0) && 24657 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][444 + Id_MCDC_89__Id_MCDC_95]) && 24656 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 432]) && Id_MCDC_89__Id_MCDC_95 == 0) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 384] <= 24649) || ((((((((((((((((0 < Id_MCDC_93 / 4294967296 + 1 && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][408 + Id_MCDC_89__Id_MCDC_95] == 24650) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][456 + Id_MCDC_89__Id_MCDC_95] <= 24644) && 24647 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][156 + Id_MCDC_89__Id_MCDC_95]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 420] == 24655) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][468 + Id_MCDC_89__Id_MCDC_95] <= 24645) && Id_MCDC_93 <= 1) && 24658 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][480 + Id_MCDC_89__Id_MCDC_95]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 396] == 24650) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && main__Id_MCDC_119 == 0) && Id_MCDC_89__Id_MCDC_96 <= 1) && 1 <= Id_MCDC_89__Id_MCDC_96) && 24657 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][444 + Id_MCDC_89__Id_MCDC_95]) && 24656 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 432]) && Id_MCDC_89__Id_MCDC_95 == 0) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 384] <= 24649)) || ((((((((((((((unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][408 + Id_MCDC_89__Id_MCDC_95] == 24650 && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][456 + Id_MCDC_89__Id_MCDC_95] <= 24644) && 24647 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][156 + Id_MCDC_89__Id_MCDC_95]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 420] == 24655) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][468 + Id_MCDC_89__Id_MCDC_95] <= 24645) && 24658 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][480 + Id_MCDC_89__Id_MCDC_95]) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 396] == 24650) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && main__Id_MCDC_119 == 0) && 24657 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][444 + Id_MCDC_89__Id_MCDC_95]) && Id_MCDC_93 == 0) && 24656 <= unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 432]) && Id_MCDC_89__Id_MCDC_95 == 0) && Id_MCDC_89__Id_MCDC_96 == 0) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 384] <= 24649) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:07:46,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0f5869-9af1-4173-b2ca-a5c41312ac29/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...